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Ecosystem

TermDefinition
biotic factors parts of a habitat that are or were once alive
abiotic factors no living parts of an organisms habitat
population all the members of one species living in a particular area
community all the different populations that live together in an area
ecosystem community of living and nonliving organisms that live together in a specific area
population density the number of individuals in an area of a specific size
limiting factor environmental factor that either prevents a species from growing or makes population decrease
species a group of organisms that can mate with each other and produce offspring that can also mate and reproduce
organism living thing
habitat an environment that provides the things a specific organism needs to live grow and reproduce
resources food water shelter and other things from its environment that it needs to live grow and reproduce
carrying capacity max amount of organisms an area can support
producer an organism that makes its own food
consumer an organism that relies on other organisms to get its food
decomposer an organism that breaks down dead things to get its energy
scavenger a type of carnivore that eats the leftover scraps of other animals
carnivore an organism that only eats meat
herbivore an organism that only eats plants
omnivore an organism that eats meat and plants
food chain a series of events in which one organism eats another and obtains energy
food web many overlapping food chains in an ecosystem
energy pyramid shows the amount of energy moving from one organism to another in a food web
photosynthesis a set of chemical reactions that plants use to transform light, water, and nutrients into glucose and oxygen, with the glucose being used as energy and the oxygen being released
chlorophyll part of a plant that absorbs light for photosynthesis
autotroph an organism that produces its own food
heterotroph an organism that relies on others for food
niche how an organism gets food, what type of food, and other organisms that eat it
competition when two animals share a niche and they fight for it
predation when an animal eats another
symbiosis the relationship in which two different species live closely
commensalism one species benefits and the other is not harmed or helped whatsoever
mutualism both species benefit from each other
parasitism one species benefits and the other is harmed
Created by: user-1979176
 

 



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